XR21B1420IL28-0A-EVB,EVAL BOARD FOR XR21B1420IL28
XR21B1420IL28-F,IC UART TXRX 512B 1CH 28QFN
XR21B1420IL28TR-F,IC UART TXRX 512B 1CH 28QFN
XR21B1421IL24-0A-EVB,EVAL BOARD FOR XR21B1421IL24
XR21B1421IL24-F,IC UART BRIDGE TO USB 1CH 24-QFN
XR21B1421IL24TR-F,IC USB HID-UART BRIDGE 1CH 24QFN
XR21B1421IL28-0A-EVB,EVAL BOARD FOR XR21B1421IL28
XR21B1421IL28-F,IC UART BRIDGE TO USB 1CH 28-QFN